Description

4 slides; 31 photographs of Klein Associates products in use; Letter to Bill Key from Joachim Bornhoft, dated 12/12/1986; 1 negative & 5 photographs of Klein Digital Sonar System 590; Model 550- ROV Side Scan Sonar System product data; 2 photographs of Hydroscan; 3 photographs of Digital Processor Model 600; 1 photograph of Digital Processor Model 605; 2 photographs of unknown products; 1 photograph of keyboard; 2 photographs of Power Line Monitor Model PL-60